A continuous fractionating column is required to separate a binary mixture containing 0.20 mole fraction of A into a top product of 0.95 mole fraction A, and a bottom product containing 0.02 mole fraction A. The feed is liquid at its boiling point. The vapour leaving the column is condensed but not cooled, and the reflux ratio is 9:1. The relative volatility (a) remains constant at 1.85 and the vapour and liquid equilibrium data are in the form: y(1-x) x(1-y) Calculate: (a) the number of theoretical plates required; (b) the position of the feed plate;
A continuous fractionating column is required to separate a binary mixture containing 0.20 mole fraction of A into a top product of 0.95 mole fraction A, and a bottom product containing 0.02 mole fraction A. The feed is liquid at its boiling point. The vapour leaving the column is condensed but not cooled, and the reflux ratio is 9:1. The relative volatility (a) remains constant at 1.85 and the vapour and liquid equilibrium data are in the form: y(1-x) x(1-y) Calculate: (a) the number of theoretical plates required; (b) the position of the feed plate;
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:A continuous fractionating column is required to separate a binary
mixture containing 0.20 mole fraction of A into a top product of 0.95 mole
fraction A, and a bottom product containing 0.02 mole fraction A. The feed is
liquid at its boiling point. The vapour leaving the column is condensed but not
cooled, and the reflux ratio is 9:1. The relative volatility (a) remains constant at
1.85 and the vapour and liquid equilibrium data are in the form:
α =
y(1-x)
x(1-y)
Calculate:
(a) the number of theoretical plates required;
(b) the position of the feed plate;
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